What two numbers multiply to 16 and add up to 10?

Here we answer the question: "What two numbers multiply to 16 and add up to 10?"

The answer to your question is:

2 and 8

Below we illustrate and prove that 2 and 8 multiply to 16 and add up to 10:

2 × 8 = 16
2 + 8 = 10

Are you asking because you are trying to figure out how to factor the following quadratic equation?

x² + 10x + 16 = 0

If so, the solution to factor the quadratic equation above is:

(x + 2 ) (x + 8)

To summarize, since 2 and 8 multiply to 16 and add up 10, you know that the following is true:

x² + 10x + 16 = (x + 2 ) (x + 8)

Multiply To One Number and Add Up To Another
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